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    3M HFE-72DA最新万博客户端下载

    Introduction(产品简介)

    3M最新万博客户端下载HFE-72DA是由HFE-7100HFE-7200,异丙醇和反式二氯乙烯组成的混合物。HFE-72DA是共沸混合物,通过分析可以看出HFE-72DA在液相和气相均保持组成比例一致。所以HFE-72DA可以应用于中等及重油污的清洗及助焊剂残留的去除。

    HFE-72DA是理想的电子及万博max手机客户端最新万博客户端下载。HFE-72DA可以万博官方网址电脑版CFC,HCFC,HFC,NPB,氯化溶剂等对臭氧有破坏,温室效应高以及对身体健康影响大的溶剂。

    由于添加了异丙醇和反式二氯乙烯,其溶解能力大大提高,且HFE-72DA具有低表面张力,而且十分稳定,故HFE-72DA应用于浸洗或超蒸汽气相最新万博客户端下载。在HFE-72DA中加异丙醇,可以增加其对于离子残留的清洗!

    3M Novec Engineered Fluid HFE-72DA is a blend of hydro?uoroether methyl nona?uorobutyl ether (C4F9OCH3), ethyl nona?uorobutyl ether (C4F9OC2H5), trans- 1,2-dichloroethylene (t-DCE) and isopropanol. This mixture of solvents is a blend of azeotropes. The blend has been analyzed during evaporation and extended use in a vapor degreaser and found to have a consistent composition that is effective for medium- to heavy-duty degreasing and de?uxing applications.

    Novec ?uid HFE-72DA is ideal for a wide range of electronics and other precision cleaning applications. It is intended to replace CFCs, HCFCs, HFCs, nPB and chlorinated solvents. This Novec product has zero ozone depletion potential and other favorable environmental, health and safety properties (see Table 2).

    The high solvency, low surface tension, non?ammability and stability of HFE-72DA ?uid make it ideal for immersion and vapor degreasing applications. The isopropanol in HFE-72DA ?uid provides enhanced removal of ionic contaminants.

    Typical Applications典型应用

    Cleaning, rinsing and drying agent清洗、漂洗及干燥溶剂 
    Cleaning of rosin solder ?ux residues, oils, greases and waxes

    物理化学性质Typical Physical Properties– Table 1


    性质

    Freon TE

    Genesolv 2004

    AK-225ASE

    Vertrel SMT

    沸点℃

    44

    45

    29.4

    52

    37

    冰点℃

    -38

    -42

    N/A

    -138

    N/A

    液体密度g/ml@25℃

    1.27

    1.50

    1.22

    1.49

    1.35

    表面张力

    18

    17.7

    18.5

    16.8

    15.5

    KB值

    58

    40

    76

    41

    N/A

    粘度cps@25℃

    0.40

    0.65

    0.45

    0.61

    0.49

    蒸汽压 mm Hg

    360

    362

    527

    414

    486

    挥发热cal/g@bp

    60

    43

    62

    41

    50

    环境及安全性质Environmental and Safety Properties- Table 2???????


    性质

    Freon TE

    Genesolv 2004

    AK-225ASE

    Vertrel SMT

    臭氧破坏潜值ODP

    0

    0.77

    0.11

    0.03

    0

    温室效应系数GWP

    43

    5800

    670

    400

    900

    闪点


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